Usefulness of Radiation Protection Cloths in Fluoroscopy with Clean Areas

Takeya Mei, Aso Masataka, Okano Masashi, Ishida Satoru, Tozawa Mitsuyuki, Inaoka Tsutomu, Terada Hitoshi

doi:10.6009/jjrt.2022-1276

<p>Lowering the dose limit for the lens of the eye incorporated into the Regulation on Prevention of Ionizing Radiation Hazards, effective on April 2021, and dose reduction will become more and more important in the field of radiation. Radiation protective cloth is used as a protective equipment in fluoroscopy rooms. Although it is usually used to protect staff from radiation exposure during endoscopic retrograde cholangiopancreatography, we investigated whether there is a way to use it for procedures in clean areas. Assuming ureterostomy fistula replacement in urology, the protective cloth was suspended on the side of the patient’s head and posterior aspect of the tube, and the distance between the anterior aspect of the X-ray tube and the patient’s foot was 55 cm. As a result of measuring the dose rate, a 10% dose reduction was obtained for the lens of the eye of the surgeon, and the distribution of air dose rate in the examination room was significantly reduced. Although scattered radiation from the radiation protection cloth appeared in some areas, the radiation dose to the patient was reduced throughout the body, and a high degree of radiation protection was obtained, especially for the lens of the eye. It is expected that the radiation protection cloths may be useful even when the length of the cloths is limited due to the cleanliness of the area.</p>

Usefulness of Radiation Protection Cloths in Fluoroscopy with Clean Areas

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